100691720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81203}}^1$

素因数の和:81245

約数の個数: 32

約数和(自身を含む): 233867520

約数和(自身を除く): 133175800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 81203, 162406, 324812, 406015, 649624, 812030, 1624060, 2517293, 3248120, 5034586, 10069172, 12586465, 20138344, 25172930, 50345860, 100691720]

約数ペア:

[(1, 100691720), (2, 50345860), (4, 25172930), (5, 20138344), (8, 12586465), (10, 10069172), (20, 5034586), (31, 3248120), (40, 2517293), (62, 1624060), (124, 812030), (155, 649624), (248, 406015), (310, 324812), (620, 162406), (1240, 81203)]